David J Taylor wrote:
'ntpdc -c monlist' is your friend, it will list the last 600-700 clients.
If you have a lot more clients than this, then you'll have to either
install a new/dev ntpd version or insert WireShark or a similar
sniffer on a mirror of the server switch port.
Terje
Terje,
I just tried this on my local stratum-1 PC, and was surprised to see the
backup upstream servers listed, as well as my local clients. I'm not
expecting to serve time to the rest of the world, so is this a result
which should be expected? I have no restrict or other security lines in
the config files, and I have no incoming port forwarding set up on my
router for UDP/123 (or TCP/123).
monlist lists both clients and servers!
If you also do a 'ntpq -p' to get your peer/upstream servers you can
subtract those from the monlist results.
BTW, the port number shown is the source port used by the client, if you
see 123 there it is most probably a proper ntp server, otherwise is can
be any kind of sntp client sw.
Terje
--
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"
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